| AHH | alpha-hydrazine analog of histidine; anosmia and hypogonadotropic hypogonadism [syndrome]; arylhydro... |
|---|---|
| FHIT | fragile histidine triad [gene] |
| HDC | histidine decarboxylase; human diploid cell; hypodermoclysis |
| HI | half-scan with interpolation; head injury; health insurance; hearing impaired; heart infusion; hemag... |
| Hi | histamine; histidine |
| Opp | oligopeptide permease |
|---|---|
| HD | 1-histidine decarboxylase |
| 3 MH | 3 methyl-L-histidine |
| FHIT | Fragile histidine triad |
| His | Histidine |
| histidine permease | <chemical> Hisp, hism and hisq are membrane proteins found in histidine permease (the hisqmp2 complex); also contains the histidine-binding protein hisj Chemical name: permease, histidine Synonym: hisp protein, hism protein, hisq protein, hutm gene product, ee57d gene product (26 Jun 1999) |
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| protein-histidine kinase | <enzyme> Sass involved in transduction of starvation and cell density inputs; hkna isolated from bacillus thuringiensis; ciah isolated from streptococcus pneumoniae; do not confuse with plp1 protein Registry number: EC 2.7.3.- Synonym: histidine protein kinase, histidine kinase, hkna gene product, ciah gene product, kinc gene product, prrb gene product, plec gene product, mxcq gene product, rese gene product, hpka gene product, comd gene product, plpa gene product (phytochrome-like), divj gene product, sensor histidine kinase, sass gene product (26 Jun 1999) |
|---|---|
| histidine | <amino acid> An amino acid with an imidazole side chain with a pKa of 6-7. Acts as a proton donor or acceptor and has high potential reactivity and diversity of chemical function. Forms part of the catalytic site of many enzymes. (18 Nov 1997) |
| histidine ammonia-lyase | <enzyme> An enzyme of the lyase class that catalyses the reaction of l-histidine to form urocanate and ammonia. The reaction is the initial step of histidine catabolism. Genetic deficiency of the enzyme, transmitted as an autosomal recessive trait, causes histidinaemia. Chemical name: L-Histidine ammonia-lyase Registry number: EC 4.3.1.3 (12 Dec 1998) |
| histidine deaminase | <enzyme> An enzyme of the lyase class that catalyses the reaction of l-histidine to form urocanate and ammonia. The reaction is the initial step of histidine catabolism. Genetic deficiency of the enzyme, transmitted as an autosomal recessive trait, causes histidinaemia. Chemical name: L-Histidine ammonia-lyase Registry number: EC 4.3.1.3 (12 Dec 1998) |
| histidine decarboxylase | <enzyme> An enzyme that catalyses the decarboxylation of histidine to histamine and carbon dioxide. It requires pyridoxal phosphate in animal tissues, but not in microorganisms. Chemical name: L-Histidine carboxy-lyase Registry number: EC 4.1.1.22 (12 Dec 1998) |
| histidine N-acetyltransferase | <enzyme> Synthesises nalpha-acetyl-l-histidine from l-histidine and acetylcoenzyme a Registry number: EC 2.3.1.33 Synonym: acetyl-CoA - l-histidine n-acetyltransferase, histidine acetyltransferase, coasac - l-histidine n-acetyltransferase, n-acetylhistidine synthetase (26 Jun 1999) |
| histidine-trna ligase | <enzyme> An enzyme that activates histidine with its specific transfer RNA. Chemical name: L-Histidine:tRNA(His) ligase (AMP-forming) Registry number: EC 6.1.1.21 (12 Dec 1998) |
| allantoate permease | <chemical> From saccharomyces cerevisiae Synonym: allantoin permease (26 Jun 1999) |
| alpha-ketoglutarate permease | <chemical> From E coli; 432-amino acid protein; amino acid sequence given in first source Synonym: kGTP gene product, wita protein, alpha-ketoglutarate transporter (26 Jun 1999) |
| amino acid permease | <enzyme> A widely distributed group of large Integral membrane proteins, required for the entry of amino acids into cells. (18 Nov 1997) |
| asparagine permease | <chemical> Has high homology with the family of basic and aromatic amino acid permeases found in both prokaryotes and eukaryotes; 497 amino acids, mw 37-54 kD; from salmonella enterica; genbank u04851 Synonym: l-asparagine permease, ansp gene product (26 Jun 1999) |
| beta-galactoside permease | <chemical> Chemical name: permease, beta-galactoside (26 Jun 1999) |
| GABA permease | <chemical> From aspergillus nidulans; uga4 is from saccharomyces cerevisiae Synonym: gamma-amino-n-butyrate permease, 4-aminobutyric acid permease, uga4 protein, uga4 gene product (26 Jun 1999) |
| galactose permease | <chemical> (26 Jun 1999) |
| raf permease | <chemical> Do not confuse with b-raf protein. Synonym: raffinose permease, rafb protein, rafb gene product (26 Jun 1999) |
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